linux-kernel - Re: [PATCH] UDF: Fix incorrect error handling in udf_direct

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Date:	Thu, 6 Sep 2012 16:22:31 +0200
From:	Jan Kara <jack@...e.cz>
To:	Ian Abbott <abbotti@....co.uk>
Cc:	lkml <linux-kernel@...r.kernel.org>, linux-fsdevel@...r.kernel.org,
	Jan Kara <jack@...e.cz>
Subject: Re: [PATCH] UDF: Fix incorrect error handling in udf_direct_IO()

On Thu 06-09-12 11:08:11, Ian Abbott wrote:
> My recent patch to add DIRECT_IO support to the UDF filesystem handler
> contains a mistake in the error recovery if blockdev_direct_IO() fails.
> The test `rw && WRITE` should be `rw & WRITE`.  Fix it.
> 
> Signed-off-by: Ian Abbott <abbotti@....co.uk>
  Thanks. I've folded the change into your patch.

								Honza

> ---
>  fs/udf/inode.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/udf/inode.c b/fs/udf/inode.c
> index b905448..41d5830 100644
> --- a/fs/udf/inode.c
> +++ b/fs/udf/inode.c
> @@ -156,7 +156,7 @@ static ssize_t udf_direct_IO(int rw, struct kiocb *iocb,
>  
>  	ret = blockdev_direct_IO(rw, iocb, inode, iov, offset, nr_segs,
>  				  udf_get_block);
> -	if (unlikely(ret < 0 && (rw && WRITE)))
> +	if (unlikely(ret < 0 && (rw & WRITE)))
>  		udf_write_failed(mapping, offset + iov_length(iov, nr_segs));
>  	return ret;
>  }
> -- 
> 1.7.12
> 
-- 
Jan Kara <jack@...e.cz>
SUSE Labs, CR
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